Determining the functions of play is difficult because the functions may be long-term, with beneficial effects not showing up until the animal's adulthood.

定义玩耍的功能是困难的，因为这些功能可能是长期性的，其积极影响要到动物成年后才会显现。

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Such a list may be long but not infinitely so.

这个问题清单可能很长，但不会是无限制的。

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Use when category titles may be long or system-generated.

分类的标题可能会很长或者是系统生成

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Recently, researchers at the University of Colorado School of Medicine found that the effects of the surgery may not be long-lasting.

VOA: special.2011.07.05

Such a list may be long but not infinitely so.

这个问题清单可能很长，但不会是无限制的。

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It may not be as the crow flies and may be long way around,

它可能不是直线最短距离，可能绕得很远，

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"My training sessions may be long, repetitive and intense, but they're fun, " he said.

WSJ: Zdenek Zeman: The Return of Soccer's Jedi

Lead times may be long and the supply chain inflexible, but you can't beat the price.

ECONOMIST: American textiles

For Steinhardt, the days may be long, but seeing families begin to flourish makes it all worth it.

CNN: Mom stands between families and homelessness